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Search found 28928 results on 1158 pages for 'line of sight'.

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• How To Use Bash History to Improve Your Command-Line Productivity

  - by YatriTrivedi

  Whether you’re new to the Linux command-line or you’re a seasoned veteran, these tricks will help turn your text-based meanderings into full-blown marathons. Save time, speed up your productivity, and enhance your Linux-Fu, all at once! Latest Features How-To Geek ETC Learn To Adjust Contrast Like a Pro in Photoshop, GIMP, and Paint.NET Have You Ever Wondered How Your Operating System Got Its Name? Should You Delete Windows 7 Service Pack Backup Files to Save Space? What Can Super Mario Teach Us About Graphics Technology? Windows 7 Service Pack 1 is Released: But Should You Install It? How To Make Hundreds of Complex Photo Edits in Seconds With Photoshop Actions Super-Charge GIMP’s Image Editing Capabilities with G’MIC [Cross-Platform] Access and Manage Your Ubuntu One Account in Chrome and Iron Mouse Over YouTube Previews YouTube Videos in Chrome Watch a Machine Get Upgraded from MS-DOS to Windows 7 [Video] Bring the Whole Ubuntu Gang Home to Your Desktop with this Mascots Wallpaper Hack Apart a Highlighter to Create UV-Reactive Flowers [Science]

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• New Windows Phone 7 Developer Guidance released for building line of business applications

  - by Eric Nelson

  Several partners have been asking about guidance on combining Windows Phone 7 applications with Windows Azure. The patterns and practices team recently released new guidance on Windows Phone 7.  This is a continuation of the Windows Azure Guidance. It takes the survey application and makes a version for Windows Phone 7.  The guide includes the following topics: Prism for Windows Phone 7 Reactive Extensions WCF Services on top of Windows Azure Push Notifications Camera & Voice Panorama Much more... Well worth a read if you are an ISV looking at taking Line of Business applications to Windows Phone 7. Related Links: We have created Microsoft Platform Ready to help software houses develop applications for Windows Azure and On-Premise. Check it out and the goodies it can deliver for little effort.

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• About grub rescue command line

  - by khai

  Please help me.. I have two hard disk in my laptop..window 7 and ubuntu.. I have problem to back in option menu..because i enter one of the list of ubuntu.. In option menu,,have a list which operatg system i can choose between ubuntu n window7 but the list stil have another menu for ubuntu..i make mistake to choose the another list of ubuntu..and now i have to fix the command line that have grub rescue.. like this : error : no such partition grub rescue > i dont have any idea to fix this problem..i try the another step that i see at the other question but still dont have any answer..this problem is just i enter the another list but do not have any kernel,problem or somethg like that..

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• Android : glowing/pulsing line/triangle

  - by AndroidGecko

  I would like to create a simple Android app using Opengl ES 2.0 that is showing a simple shape (like line or triangle) that is glowing and pulsing like Nexus X logo in this video : http://youtu.be/jBKVAfZUFqI?t=59s What should I look for? So far I googled around for glowing effects and found techniques like "bloom" or "additive blending". Are they relevant here? how I would implement pulsing glow with them? Any links to relevant works very appreciated Thanks! P.S - I am very familiar with Android SDK; just started with OpenGL ES

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• How to create a shared folder using command line on a server

  - by sadmicrowave

  After following the tutorial here I ran into a problem. Here is what I did. On my server I installed nfs-kernel-server and edited the /etc/exports file to include the folder I want to share: /var *(rw,sync) On my client machine I edited my fstab file to include share: //128.251.xxx.xxx/var/ ~/uslonsweb003 nfs #username=[username],password=[password], 0 0 Entered command: sudo mount -a which gives this error: mount.nfs: remote share not in 'host:dir' format Where did I go wrong with this setup? Also if there is a better way (using command line) to setup a folder share on an Ubuntu 10.10 server that will be accessed by other linux and windows machines please let me know. UPDATE: The mapped drive is now not letting me create,edit,delete files or folders (readonly access) my configuration is as follows: client fstab file: 128.251.xxx.xxx:/var /home/coreyf/uslonsweb003 nfs rw,hard,intr, 0 0 server exports file: /var *(rw,no_root_squash,sync,no_subtree_check) UPDATE 2: Using Allans solution my drive mounted correctly however after putting rw,intr as my additional parameters I cannot create, edit and delete folders/files.

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• horizontal line across screen at startup

  - by Debbie Poole

  I recently ran an upgrade from 12.04 to 12.10 and was using Nvidia current tested drivers and all seemed ok at first. Then suddenly every time I started the computer and shutdown, the graphical plymouth logo changed to text.The only changes I made to try to correct this issue were; sudo apt-get --purge remove nvidia-current nvidia-settings sudo apt-get --purge autoremove sudo apt-get clean sudo apt-get update sudo apt-get install nvidia-current and this made no change at all to the display. Then I read somewhere that Nouveau drivers may be the answer, so I installed them to use instead, and hey presto, the shutdown screen displays the Plymouth splash. However with startup, I get a stable purple screen, for a while, and than a thick black horizontal line appears, really ugly-looking, and then the loging screen appears to be ok. Can I correct the login screen same as the shutdown screen?

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• Show line breaks in asp:label inside gridview

  - by Vipin

  To show line breaks in asp:label element or for that matter inside Gridview, do the following  in case of Mandatory/ Nullable fields. <ItemTemplate>          <%# ((string)Eval("Details")).Replace("\n", "<br/>") %>  </ItemTemplate>    <ItemTemplate>          <%# FormatString(Eval("Details"))  %>  </ItemTemplate>   In code behind, add the following FormatString function - protected string FormatString(string strHelpMessage) { string rtnString = string.Empty; if (!string.IsNullOrEmpty(strHelpMessage)) rtnString = strHelpMessage.Replace(Environment.NewLine, "<br/>"); return rtnString; }

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• SFML: Monster following player on a straight line

  - by user3504658

  I've searched for this and found a few topics , usually they used a function normalize and using simple vector subtracting which is ok , but how should I do it in sfml ? Instead of using: Movement = p.position() - m.position(); p is the player and m is the monster I used something like this to move on a straight line: sf::Vector2f Tail(0,0); if((mPlayer.getPosition().y - mMonster.GetInstance().getPosition().y) >= (mPlayer.getPosition().x - mMonster.GetInstance().getPosition().x)){ //sf::Vector2f Tail(0,0); Tail.x = mPlayer.getPosition().x - mMonster.GetInstance().getPosition().x; } else if((mPlayer.getPosition().y - mMonster.GetInstance().getPosition().y) <= (mPlayer.getPosition().x - mMonster.GetInstance().getPosition().x)){ //sf::Vector2f Tail(0,0); Tail.y = mPlayer.getPosition().y - mMonster.GetInstance().getPosition().y; } if(!MonsterCollosion()) mMonster.Move(Tail * (TimePerFrame.asSeconds() * 1/2 ) ); It works ok if the the height = the width for the game window, although I think it's not the best looking game when it comes to a moving monster, since it starts fast and then it gets slower so what do you guys advise me to do ?

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• Ubuntu 12.04 - after update it boots in command line only (no windows manager)

  - by ZSW

  I have Ubuntu 12.04, which has been working great for me since I installed it a year ago. Yesterday I ran the updates that update manager recommended. (Last time I ran updates before was about a week ago). After the updates were installed, it asked me to reboot. So I rebooted it, and then it stopped at login prompt (as a command line, with no windows). I logged in and tried to manually start the windows manager, and the screen went blank, and stayed blank I waited several minutes, and then turned it off. How can I figure out what is the problem? Which logs should I check?

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• Bluetooth not working and terminal has no command line, just a blank screen Ubuntu 12.04

  - by Josh

  I recently upgraded to 12.04 from 11.10 (ironically 11.10 had everything working, it was just laggy and jittery - now stuff isn't working on 12.04). I plug in my bluetooth dongle and the bluetooth symbol appears in the status bar top right, I can "Turn on bluetooth" and "Turn off bluetooth" here, but it has no effect overall on the status of bluetooth. When I go to Bluetooth settings I can't make it turn on. Also, as I have now discovered, my terminal has no command line for me to do anything with. There is absolutely nothing there... just a black, blank screen... Help?!

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• "Malformed line 6" error in my /etc/apt/sources.list

  - by Odi1215

  I'm new to Ubuntu so I don't really know much yet. I encountered this problem while on the terminal: E: Malformed line 6 in source list /etc/apt/sources.list (dist parse) E: The list of sources could not be read. What should I do? Help would be much appreciated. Here's my source.list: # /etc/apt/sources.list deb http://archive.ubuntu.com/ubuntu/ precise main restricted universe multiverse deb http://security.ubuntu.com/ubuntu/ precise-security main restricted universe multiverse deb http://archive.ubuntu.com/ubuntu/ precise-updates main restricted universe multiverse deb http://archive.canonical.com/ partner deb-src http://archive.canonical.com/ partner /etc/apt/sources.list

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• Booting from Live USB leads to command line instead of menu

  - by Alek

  I'm trying to install 12.04 x64 from a USB stick. I created the Live USB as per instructions from ubuntu.com, however, after choosing to boot from USB I get stuck with a command line, titled GRUB. When I type "install", it replies that "no kernel is loaded". On my other PC everything is fine, the Live USB boots just fine. The one I'm trying to install to has UEFI mobo - maybe that's the problem? However, fiddling with UEFI settings in mobo setup (UEFI/Legacy) has no visible effect.

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• Installing Ruby on Rails without access to command line

  - by Darwin

  I'm VERY new to this whole web dev thing but I can program and I liked Ruby when I used it before. Now, I've got web hosting and a domain and a site on there that's currently ran under Joomla but I'd like to experiment with Rails. The most access I can get to the server is FTP and maybe a setting here and there in the control panel. Definitely no command line. Is there a way to just, I don't know, upload ruby on rails to a folder and run it in a browser? That's how Joomla works I think. Literally every article I read about this starts with "you just do sudo get..." mumbo jumbo.

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• Awesome line up for SQLBits 8

  - by simonsabin

  We’ve got some really exciting things happening at SQLBits 8. I’ve been dying to tell everyone since I found out. The first is our line up from  Microsoft. We mentioned in the announcement of SQLBits that the SQLCAT team would be back. Well thats just the tip of the iceberg. Today we have announced that we will have the following speakers from the SQL Team. Mark Souza – General Manager for SQL Server Thomas Kejser - Senior Program Manager, SQL Server CAT Lubor Kollar – Principal Group Program...(read more)

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• command-line zip not working

  - by ptriek

  I have a Wordpress site on a Debian/Linux dedicated server, with a Backupbuddy plugin for making automatic backups. The plugin, however, gives an error 'Your server does not support command line ZIP'. My knowledge of Linux commands is very limited, but I managed installing zip with the command sudo apt-get install zip However, I still get the same error message. Plugin documentation mentions the problem could also be caused by disabled exec() or safe_mode - but exec isn't disabled, and safe_mode is off. Any ideas what might be causing this, or how to fix it? The only thing I could think of, is it might be caused by wrong permissions?

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• An Annotated Line of Business Application

  The Silverlight HyperVideo Player  has met with strong support and interest. This mini-tutorial is the first in a series that will walk through the design and delivery of this project. This series will pretend that the design existed before we began coding, and will not take you through its evolution over the months between December 2009 and March 2010. In short, this series is a drop-line exercise highlighting how the program works with a focus on teasing out general principles of creating...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Unable to record from USB sound card line-in connector

  - by tete

  I've been googling and struggling with this for a while but haven't been able to make this work. I bought a USB sound card (Encore ENMAB 8-CM) to record from its line-in connector. I'm not sure which input to pick in Audicity, but I'me sure I've tested them all. These are all the available inputs I have in Audacity. But there's no sound being recorded at all. I've already checked the device is working, so I really don't know if I'm doing something wrong. Any help will be very appreciated. Cheers.

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• Maven Command Line for NetBeans RCP Developers

  - by Geertjan

  In the ongoing work being done on Maven documentation support for NetBeans Platform developers, the tutorial describing how to use the Maven command line to set up and develop applications on the NetBeans Platform has ben updated: http://platform.netbeans.org/tutorials/nbm-maven-commandline.html An interesting next step after following the tutorial above is to... open the result into the free community edition of IntelliJ IDEA: It's not hard to register the JDK and Maven in IntelliJ IDEA and to then run your application directly from there. The point is that there's no requirement to use NetBeans IDE if you want to create applications on top of its framework.

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• Writing long line support for text editor

  - by Mathematician82

  I know that some some text editors have problems to show long lines https://bugzilla.gnome.org/show_bug.cgi?id=172099 . What is the best way to fix the bug or are they equally well? Modify the GTK+ source code and add a support for long lines. Modify the text editor source code such that it does not use GTK+ if it meets a long line. Split the long lines into part (maybe by cut on the Bash ) I'm just a junior programmer so I don't know what people does when they meet a bug that is on the library they use.

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• Auth succeeded No requires line available

  - by user286223

  Upgrading to Ubuntu 14.04 (and Apache2 2.4) server I can't use MySQL as htaccess; Before upgrading I was using MySQL as htaccess in the virtual host - worked nicely: <Directory /var/www/html/tilmelding/login> AuthBasicAuthoritative Off AuthUserFile /dev/null # begin auth_mysql configuration AuthMySQL On AuthMySQL_Host localhost AuthMySQL_User ********** AuthMySQL_Password ********* AuthMySQL_DB ********** AuthMySQL_Password_Table user_info AuthMySQL_Username_Field user_name AuthMySQL_Password_Field user_passwd AuthMySQL_Empty_Passwords Off AuthMySQL_Encryption_Types PHP_MD5 AuthMySQL_Authoritative AuthType Basic AuthName "auth_mysql test" Require valid-user After upgrade it didn’t work. In the logfile I got: [:debug] [pid 31333] mod_auth_mysql.c(1578): Constructing password collection query with passfield=[user_passwd], table=[user_info], userfield=[helgoland], where_clause=[] [:debug] [pid 31333] mod_auth_mysql.c(1410): sec->dbh in /var/www/html/tilmelding/login/ is [:debug] [pid 31333] mod_auth_mysql.c(1417): Ordinary query [:debug] [pid 31333] mod_auth_mysql.c(1434): Running query: [SELECT user_passwd FROM user_info WHERE user_name='helgoland'] [:debug] [pid 31333] mod_auth_mysql.c(1522): Checking with PHP_MD5 [:debug] [pid 31333] mod_auth_mysql.c(1524): Auth succeeded [:error] [pid 31333] No requires line available I am able to do the query from CLI and get an MD5 back. What have I missed ?

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• tmux combine multiple commands to one vi-copy command or tmux command to yank a line

  - by MIkhail

  In tmux, i know we can chain multiple commands to a key by using \; See Here But in vi mode, i want one single key press to go to the beginning of the current line, begin-selection, go to end-of-line, copy-selection. In tmux.conf if i give the following bind-key -t vi-copy 's' start-of-line \; begin-selection \; end-of-line \; copy-selection \; It gives me this : 69: usage: bind-key [-cnr] [-t key-table] key command [arguments] error. Or is there any alternative way to yank the current line in single key.

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• using ksar from command line

  - by Monir

  I am working on creating system monitoring graphs from sar outputs. Ksar seems to be a nice gui tool, with some command line support. My goal is to create pdf/png charts from a script using ksar command line. The released version has some minor bugs where I got some exceptions. Fortunately the beta 5.1.0_beta4 does not have the bugs and produces nice graphs from GUI. But I cannot seem to run the command line version. Trying to create a pdg/chart from command line is always bringing the GUI. Anyone had experience using command line ksar to produce pdfs/pngs?

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• Delete a line of text in javascript

  - by Shard

  In javascript, If i have a text block like so Line 1 Line 2 Line 3 What would i need to do to lets say delete the first line and turn it into: Line 2 Line 3

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• vimdiff: Jump to next difference inside line?

  - by sleske

  vimdiff is very handy for comparing files. However, I often use it on files with long lines and relatively few differences inside the lines. vimdiff will correctly highlight differences inside a line (whole line pink, differing characters red). In these cases, it would be nice to be able to jump to the next difference inside the line. You can jump to the "next difference" (]c), but this will jump to the next line with a difference. Is there a way to go to the next different character inside the current line?

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• Loop over a file and write the next line if a condition is met

  - by 111078384259264152964

  Having a hard time fixing this or finding any good hints about it. I'm trying to loop over one file, modify each line slightly, and then loop over a different file. If the line in the second file starts with the line from the first then the following line in the second file should be written to a third file. !/usr/bin/env python with open('ids.txt', 'rU') as f: with open('seqres.txt', 'rU') as g: for id in f: id=id.lower()[0:4]+'_'+id[4] with open(id + '.fasta', 'w') as h: for line in g: if line.startswith(''+ id): h.write(g.next()) All the correct files appear, but they are empty. Yes, I am sure the if has true cases. :-) "seqres.txt" has lines with an ID number in a certain format, each followed by a line with data. The "ids.txt" has lines with the ID numbers of interest in a different format. I want each line of data with an interesting ID number in its own file. Thanks a million to anyone with a little advice!

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